Comment 20 for bug 578506
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| Stéphane Travostino (eazy87) wrote Re: [Kernel] ACPI: EC: input buffer is not empty, aborting transaction | #20 |
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35a32c5
(Get the code!)
I've got the same laptop model as the OP, but running Archlinux. I though I could shed some light on this issue.
There's an open kernel bug for this: https:/
It affects all the kernel since 2.6.32, the only way to have a functional system is applying the "Add delay before data write, take #2" patch to the kernel source.
I'm writing this here since 2.6.34.1 is still affected by this bug and there seems to be no activity on the kernel bugzilla, maybe Ubuntu can push things a bit. It's quite a important problem as it does inhibit the possibility to turn on the PC (when shutting down, remove AC and battery and replug them in).
I've tested 2.6.32.6 and 2.6.34.1, the only way to have them running correctly without 1s delays every 5 seconds and ACPI errors in the kernel log is to apply the patch.